Abstract
RECENTLY, considerable interest has been aroused in the observation of 13C-proton coupling constants ( ) in Proton magnetic resonance spectra. It was shown by Müller and Pritchard1 and by Shoolery2 that this coupling constant changes abruptly with changes in the state of hybridization of the carbon atom from the pure sp3 to the sp state. This change is explained as a result of the increasing importance of the Fermi contact interaction between s electrons and nuclear spins1,2.
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References
Müller, Norbert, and Pritchard, Donald E., J. Chem. Phys., 31, 768 (1959).
Shoolery, J. N., J. Chem. Phys., 31, 1427 (1959).
Müller, Norbert, and Pritchard, Donald E., J. Chem. Phys., 31, 1471 (1959).
Bent, H. A., J. Inorg. Nucl. Chem., 19, 43 (1961).
Burke, John J., and Lauterbur, Paul C., J. Amer. Chem. Soc., 83, 326 (1961).
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VAN DER KELEN, G. Second-Order Hybridization Effects in the Proton Magnetic Resonance Spectra of the Methyl Tin Chlorides. Nature 193, 1069–1070 (1962). https://doi.org/10.1038/1931069a0
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DOI: https://doi.org/10.1038/1931069a0
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